
South African coronavirus variant may escape antibodies, cause reinfection, say scientists
PTIIn the research, the scientists, including those from the University of the Witwatersrand in South Africa, tested the neutralisation activity of plasma from patients who recovered from prior infection.

Children
Know the scientist: Jane Cooke Wright
In School Team Jane Wright pioneered the use of the drug methotrexate to treat breast cancer and skin cancer
Science
Rice attributes that improve nitrogen use efficiency found
Special Correspondent It could help farmers use nitrogenous fertilizers efficiently, save costs.